Base | Representation |
---|---|
bin | 1111101100100… |
… | …00010101100011 |
3 | 100011202011221221 |
4 | 13312100111203 |
5 | 232201210303 |
6 | 21021555511 |
7 | 3156055510 |
oct | 766202543 |
9 | 304664857 |
10 | 131663203 |
11 | 68358571 |
12 | 38115b97 |
13 | 2137b829 |
14 | 136b4307 |
15 | b85b4bd |
hex | 7d90563 |
131663203 has 8 divisors (see below), whose sum is σ = 151006208. Its totient is φ = 112453704.
The previous prime is 131663167. The next prime is 131663221. The reversal of 131663203 is 302366131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 131663203 - 217 = 131532131 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131663003) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31251 + ... + 35212.
It is an arithmetic number, because the mean of its divisors is an integer number (18875776).
Almost surely, 2131663203 is an apocalyptic number.
131663203 is a deficient number, since it is larger than the sum of its proper divisors (19343005).
131663203 is an equidigital number, since it uses as much as digits as its factorization.
131663203 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66753.
The product of its (nonzero) digits is 1944, while the sum is 25.
The square root of 131663203 is about 11474.4587236174. The cubic root of 131663203 is about 508.7309251582.
The spelling of 131663203 in words is "one hundred thirty-one million, six hundred sixty-three thousand, two hundred three".
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